Creosote bush scrub
North American desert vegetation type
Creosote bush scrub is a North American desert vegetation type (or biome) of sparsely but evenly spaced desert plants dominated by creosote bush (Larrea tridentata) and its associates. Its visual characterization is of widely spaced shrubs that are somewhat evenly distributed over flat or relatively flat desert areas that receive between 2 and 8 inches of rain each year. It covers the majority of the flat desert floor and relatively flat alluvial fans in the Mojave Desert, Chihuahuan Desert, and Sonoran Desert. The dominant plants that typify this vegetation type are creosote bush (Larrea tridentata) and its associates, white bur-sage (Ambrosia dumosa), brittlebush (Encelia farinosa, Encelia actoni, Encelia virginensis), cheese-bush (Ambrosia salsola), Mojave yucca (Yucca schidigera), silver cholla cactus (Cylindropuntia echinocarpa), and beavertail cactus (Opuntia basilaris). Creosote bush has a wider range than its associates, so codominant shrubs, which are associated with more narrow ranges, will vary from region to region.
The bush scrub ecosystems are notable for its persistence under extreme environmental conditions, specifically very high temperatures, low precipitation, and low-nutrient soils. The dominant creosote bush (Larrea tridentata) exhibits many adaptations that improves survival in the harsh conditions. First, it has small, waxy leaves that increase water retention. To complement the leaves, the scrubs produce extensive root systems that enable access to scarce soil moisture that is present. The bush produces a root system with many secondary roots stemming from a taproot, with each secondary root around 10 meters long.
This brief starts where responsible research should: with the source description of “Creosote bush scrub” as north American desert vegetation type. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the general reference register because the source frames it as north American desert vegetation type. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 13, 2026. The linked authority identifier is Q17155874. None of the 0 selected statements returned an explicit reference.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Creosote bush scrub”, its source revision and the description used here.
- Expand the search: follow Creosote bush scrub primary sources, Creosote bush scrub archive and Creosote research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Creosote bush scrub”?
- Which cited source is closest to the event, object or claim?
- What terminology or title could unlock a more precise catalogue search?
Search terms from this dossier
This entry incorporates text from “Creosote bush scrub” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.